CN217191713U

CN217191713U - Tube type structural member end slot rolling device in ship construction

Info

Publication number: CN217191713U
Application number: CN202220893721.XU
Authority: CN
Inventors: 姚智衡; 姚奉
Original assignee: Hubei Dongchuan Heavy Industry Co ltd
Current assignee: Hubei Dongchuan Heavy Industry Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-08-16
Anticipated expiration: 2032-04-18

Abstract

The utility model provides a tubular structural member end slot rolling device in shipbuilding, which comprises a frame, wherein the top of the frame is fixed with a motor, the motor is connected with a speed reducer through a flange plate, an output shaft of the speed reducer is fixedly provided with a sleeve inner roller for sleeving a steel pipe, and the outer part of the sleeve inner roller is provided with an annular bulge; an outer pressing roller is arranged right above the sleeve inner roller, an annular groove matched with the annular protrusion is processed in the middle of the outer pressing roller, and the outer pressing roller is rotatably arranged on a roller shaft of the extrusion power device. The device can roll the fixing groove at the end part of the steel pipe of the steel structural member, further realize the molding of the fixing groove at the end part of the steel pipe in a rolling way, and replace the traditional molding process of machining the fixing groove; the forming efficiency is improved, the forming quality is ensured, and the reliability and the safety of the subsequent connection process of the steel structural member are further ensured.

Description

Tube type structural member end slot rolling device in ship construction

Technical Field

The utility model belongs to the technical field of the production and processing of boats and ships steel structure spare, especially relate to pipe class structure spare end slot rolling device in shipbuilding.

Background

In the ship construction process, a large number of steel pipe structures are used as a skeleton structure or for drainage of ships, wherein the steel pipes are butted or assembled. Currently, there are several different ways in general; firstly, the threaded sleeves are butted, corresponding external threads are required to be processed at two end parts of the steel pipe by adopting the connection mode, and the corresponding threaded sleeves are required to be processed; secondly, a mode of assembly welding butt joint is adopted, two adjacent steel pipes are butt jointed through welding, a special butt joint clamp is needed in the welding process, and the quality of a welding structure is difficult to control; and thirdly, the pipe fasteners are adopted for butt joint and connection, and the two ends of the steel pipe are connected through the fasteners.

However, by adopting a fastener connection mode, corresponding fastener fixing grooves need to be processed at two ends of the steel pipe, so that the problem of slipping or falling off in the fastener connection process is solved, the existing fixing groove processing mode is to form the annular fixing groove by adopting a turning mode at the end part, and the forming efficiency in the machining process is low; but also the strength of the steel pipe is weakened to a certain extent, and the danger of fracture is easily generated at the position of the fixing groove.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a tube structural member end rolling groove device in ship building, which can roll the fixed groove at the steel tube end part of the steel structural member, further realize the forming of the steel tube end fixed groove by rolling, and replace the traditional machining fixed groove forming process; the forming efficiency is improved, the forming quality is ensured, and the reliability and the safety of the subsequent connection process of the steel structural member are further ensured.

In order to realize the technical characteristics, the purpose of the utility model is realized as follows: the tube type structural member end slot rolling device in ship construction comprises a rack, wherein a motor is fixed at the top of the rack and is connected with a speed reducer through a flange plate, a sleeve inner roller for sleeving a steel tube is fixedly installed on an output shaft of the speed reducer, and an annular bulge is arranged outside the sleeve inner roller; an outer pressing roller is arranged right above the sleeve inner roller, an annular groove matched with the annular protrusion is processed in the middle of the outer pressing roller, and the outer pressing roller is rotatably arranged on a roller shaft of the extrusion power device.

The motor is fixed at the top of the U-shaped support, and the U-shaped support is fixed at the top of the rack through the fixing bottom plate.

The speed reducer is fixedly installed at the top end of the rack through a speed reducer base.

Straight thread grooves for increasing friction are formed in the outer walls of the sleeve inner roller and the annular bulge; the outer end of the sleeve inner roller is fixed on the output shaft through an end cover; and a positioning baffle disc for axially limiting the end of the steel pipe is arranged at the inner end of the sleeve inner roller in a positioning way.

And a plurality of reinforcing rods are fixed at the bottom end of the top plate of the rack.

The extrusion power device comprises a supporting vertical plate fixed at the top of the speed reducer, a top supporting plate is fixed at the top of the supporting vertical plate, a hydraulic cylinder is fixed at the top of the top supporting plate, a roller shaft support is fixed on a piston rod of the hydraulic cylinder, and the roller shaft is supported between the roller shaft supports.

The hydraulic cylinder is fixedly supported at the top end of the top supporting plate through a locking nut.

Vertical guide strips are vertically fixed on the inner side wall of the supporting vertical plate and matched with guide blocks arranged on the outer side wall of the roller shaft support.

The utility model discloses there is following beneficial effect:

1. the device can roll the fixing groove at the end part of the steel pipe of the steel structural member in the ship building process, further realize the molding of the fixing groove at the end part of the steel pipe in a rolling mode, and replace the traditional machining fixing groove molding process; the forming efficiency is improved, the forming quality is ensured, and the reliability and the safety of the subsequent connection process of the steel structural member are further ensured.

2. Through foretell U type support can realize fixing the motor reliably, and then guaranteed its fixed stability.

3. The speed reducer base ensures that the speed reducer is reliably fixed and installed, and further ensures the fixing reliability of the speed reducer.

4. The straight groove ensures that the steel pipe can be synchronously driven to rotate in the rotating process.

5. The extrusion power device can be used for providing extrusion power, so that the annular groove is formed.

6. The vertical guide strip can be used for guiding the guide block, so that the lifting guide of the roller shaft support is realized, and the stability of the pressing forming of the roller shaft support is guaranteed.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a first perspective three-dimensional view of the present invention.

Fig. 2 is a second perspective three-dimensional view of the present invention.

Fig. 3 is a third perspective three-dimensional view of the present invention.

Fig. 4 is a fourth perspective three-dimensional view of the present invention.

Fig. 5 is a front view of the present invention.

Fig. 6 is a view from a-a of fig. 5 according to the present invention.

In the figure: the device comprises a rack 1, a fixed base plate 2, a U-shaped support 3, a motor 4, a flange 5, a speed reducer 6, a supporting vertical plate 7, a vertical guide strip 8, a top supporting plate 9, a locking nut 10, a hydraulic cylinder 11, a roller shaft support 12, a roller shaft 13, an outer pressing roller 14, an annular groove 15, an end cover 16, a sleeve inner roller 17, an annular protrusion 18, a positioning baffle disc 19, a speed reducer base 20, a piston rod 21, a reinforcing rod 22 and a guide block 23.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

Referring to fig. 1-6, the tube structural member end grooving device in shipbuilding comprises a frame 1, wherein a motor 4 is fixed at the top of the frame 1, the motor 4 is connected with a speed reducer 6 through a flange 5, a sleeve inner roller 17 for sleeving a steel tube is fixedly installed on an output shaft of the speed reducer 6, and an annular bulge 18 is arranged outside the sleeve inner roller 17; an outer pressing roller 14 is arranged right above the sleeve inner roller 17, an annular groove 15 matched with the annular protrusion 18 is processed in the middle of the outer pressing roller 14, and the outer pressing roller 14 is rotatably arranged on a roller shaft 13 of the extrusion power device. The device can roll the fixing groove at the end part of the steel pipe of the steel structural member, further realize the molding of the fixing groove at the end part of the steel pipe in a rolling way, and replace the traditional molding process of machining the fixing groove; the forming efficiency is improved, the forming quality is ensured, and the reliability and the safety of the subsequent connection process of the steel structural member are further ensured. When the fixed slot is processed to the end position of steel pipe as required, through with steel pipe location suit at set intraductal roller 17, start extrusion power device, drive roller 13 through extrusion power device and push down, push down outer compression roller 14 through roller 13, cooperate with set intraductal roller 17 through outer compression roller 14, and then form annular fixed slot at the end position extrusion of steel pipe, at the extrusion in-process, drive the reduction gear through the motor, drive set intraductal roller 17 through the reduction gear and rotate.

Further, the motor 4 is fixed on the top of the U-shaped support 3, and the U-shaped support 3 is fixed on the top of the frame 1 through the fixing bottom plate 2. Through foretell U type support 3 can realize fixing motor 4 reliably, and then guaranteed its fixed stability.

Further, the speed reducer 6 is fixedly mounted at the top end of the frame 1 through a speed reducer base 20. The reducer base 20 described above ensures reliable fixing and mounting of the reducer 6, and thus its reliability of fixing.

Further, straight thread grooves for increasing friction are arranged on the outer walls of the sleeve inner roller 17 and the annular bulge 18; the outer end of the sleeve inner roller 17 is fixed on the output shaft through an end cover 16; and a positioning baffle disc 19 for axially limiting the end of the steel pipe is positioned and installed at the inner end of the sleeve inner roller 17. The straight groove ensures that the steel pipe can be synchronously driven to rotate in the rotating process. The positioning baffle disc 19 can be used for positioning the end of the steel pipe to be processed, so that the position of the processed annular groove is ensured.

Furthermore, a plurality of reinforcing rods 22 are fixed at the bottom end of the top plate of the frame 1. The supporting strength of the top plate is secured by the reinforcing rods 22 described above.

Furthermore, extrusion power device is including fixing the support riser 7 at reduction gear 6 top, and the top of supporting riser 7 is fixed with top support plate 9, and top support plate 9's top is fixed with pneumatic cylinder 11, and the piston rod 21 of pneumatic cylinder 11 is fixed with roller support 12, and roller 13 supports between roller support 12. The extrusion power device can be used for providing extrusion power, so that the annular groove is formed. In the working process, the piston rod 21 is driven by the hydraulic cylinder 11, the roller shaft support 12 is driven by the piston rod 21, the roller shaft 13 is driven to be pressed downwards by the roller shaft support 12, the outer pressing roller 14 is driven to be pressed downwards by the roller shaft 13, and the outer pressing roller 14 is matched with the sleeve inner roller 17 to realize the processing of the rolling groove of the steel pipe.

Further, the hydraulic cylinder 11 is fixedly supported on the top end of the top support plate 9 by a lock nut 10. The hydraulic cylinder 11 can be securely fixed to the top of the top support plate 9 by the above-described lock nut 10.

Furthermore, a vertical guide strip 8 is vertically fixed on the inner side wall of the supporting vertical plate 7, and the vertical guide strip 8 is matched with a guide block 23 arranged on the outer side wall of the roller shaft support 12. The vertical guide strip 8 can be used for guiding the guide block 23, so that the lifting guide of the roller shaft support 12 is realized, and the stability of the compaction forming is ensured.

The utility model discloses a use as follows:

through adopting above-mentioned device, in the ring channel course of working is carried out to the end position of steel pipe structure spare as required, at first, with the outside of steel pipe suit at set intraductal roller 17 of cover, then, the starter motor, drive the reduction gear through the motor, drive through reduction gear set intraductal roller 17 and rotate, and then drive the steel pipe through set intraductal roller 17 and rotate, at its rotation in-process, start extrusion power device, push down through extrusion power device driving roll axle 13, push down outer compression roller 14 through roll axle 13, cooperate with set intraductal roller 17 through outer compression roller 14, and then form annular fixed slot at the end position extrusion of steel pipe.

Claims

1. Tube class structure end slot rolling device in shipbuilding, its characterized in that: the steel pipe sleeve comprises a rack (1), wherein a motor (4) is fixed at the top of the rack (1), the motor (4) is connected with a speed reducer (6) through a flange plate (5), a sleeve inner roller (17) for sleeving a steel pipe is fixedly installed on an output shaft of the speed reducer (6), and an annular bulge (18) is arranged outside the sleeve inner roller (17); an outer pressing roller (14) is arranged right above the sleeve inner roller (17), an annular groove (15) matched with the annular protrusion (18) is processed in the middle of the outer pressing roller (14), and the outer pressing roller (14) is rotatably installed on a roller shaft (13) of the extrusion power device.

2. The tube type structural member end roll-groove device in shipbuilding according to claim 1, characterized in that: the motor (4) is fixed on the top of the U-shaped support (3), and the U-shaped support (3) is fixed on the top of the rack (1) through the fixing bottom plate (2).

3. The tube type structural member end roll-groove device in shipbuilding according to claim 1, characterized in that: the speed reducer (6) is fixedly installed at the top end of the rack (1) through a speed reducer base (20).

4. The tube type structural member end roll-groove device in shipbuilding according to claim 1, characterized in that: straight thread grooves for increasing friction are formed in the outer walls of the sleeve inner roller (17) and the annular bulge (18); the outer end of the sleeve inner roller (17) is fixed on the output shaft through an end cover (16); and a positioning baffle disc (19) for axially limiting the end of the steel pipe is positioned and installed at the inner end of the sleeve inner roller (17).

5. The tube type structural member end roll-groove device in shipbuilding according to claim 1, characterized in that: and a plurality of reinforcing rods (22) are fixed at the bottom end of the top plate of the frame (1).

6. The tube type structural member end roll-groove device in shipbuilding according to claim 1, characterized in that: the extrusion power device comprises a supporting vertical plate (7) fixed to the top of the speed reducer (6), a top supporting plate (9) is fixed to the top of the supporting vertical plate (7), a hydraulic cylinder (11) is fixed to the top of the top supporting plate (9), a piston rod (21) of the hydraulic cylinder (11) is fixed to a roller shaft support (12), and a roller shaft (13) is supported between the roller shaft supports (12).

7. The tube type structural member end roll-groove device in shipbuilding according to claim 6, characterized in that: the hydraulic cylinder (11) is fixedly supported at the top end of the top supporting plate (9) through a locking nut (10).

8. The tube type structural member end roll-groove device in shipbuilding according to claim 6, characterized in that: vertical guide strips (8) are vertically fixed on the inner side wall of the supporting vertical plate (7), and the vertical guide strips (8) are matched with guide blocks (23) arranged on the outer side wall of the roller shaft support (12).